English verb conjugation COULD SUBSPECIALIZE

Regular verb: subspecialize - subspecialized - subspecialized

Affirmation

Simple form

I could subspecialize
you could subspecialize
he could subspecialize
we could subspecialize
you could subspecialize
they could subspecialize

V-ing form

I could be subspecializing
you could be subspecializing
he could be subspecializing
we could be subspecializing
you could be subspecializing
they could be subspecializing

Perfect

I could have subspecialized
you could have subspecialized
he could have subspecialized
we could have subspecialized
you could have subspecialized
they could have subspecialized

V-ing perfect

I could have been subspecializing
you could have been subspecializing
he could have been subspecializing
we could have been subspecializing
you could have been subspecializing
they could have been subspecializing

Negation

Simple form

I couldn't subspecialize
you couldn't subspecialize
he couldn't subspecialize
we couldn't subspecialize
you couldn't subspecialize
they couldn't subspecialize

V-ing form

I couldn't be subspecializing
you couldn't be subspecializing
he couldn't be subspecializing
we couldn't be subspecializing
you couldn't be subspecializing
they couldn't be subspecializing

Perfect

I couldn't have subspecialized
you couldn't have subspecialized
he couldn't have subspecialized
we couldn't have subspecialized
you couldn't have subspecialized
they couldn't have subspecialized

V-ing perfect

I couldn't have been subspecializing
you couldn't have been subspecializing
he couldn't have been subspecializing
we couldn't have been subspecializing
you couldn't have been subspecializing
they couldn't have been subspecializing

Interrogative form

Simple form

could I subspecialize?
could you subspecialize?
could he subspecialize?
could we subspecialize?
could you subspecialize?
could they subspecialize?

V-ing form

could I be subspecializing?
could you be subspecializing?
could he be subspecializing?
could we be subspecializing?
could you be subspecializing?
could they be subspecializing?

Perfect

could I have subspecialized?
could you have subspecialized?
could he have subspecialized?
could we have subspecialized?
could you have subspecialized?
could they have subspecialized?

V-ing perfect

could I have been subspecializing?
could you have been subspecializing?
could he have been subspecializing?
could we have been subspecializing?
could you have been subspecializing?
could they have been subspecializing?

Interro-negative form

Simple form

couldn't I subspecialize?
couldn't you subspecialize?
couldn't he subspecialize?
couldn't we subspecialize?
couldn't you subspecialize?
couldn't they subspecialize?

V-ing form

couldn't I be subspecializing?
couldn't you be subspecializing?
couldn't he be subspecializing?
couldn't we be subspecializing?
couldn't you be subspecializing?
couldn't they be subspecializing?

Perfect

couldn't I have subspecialized?
couldn't you have subspecialized?
couldn't he have subspecialized?
couldn't we have subspecialized?
couldn't you have subspecialized?
couldn't they have subspecialized?

V-ing perfect

couldn't I have been subspecializing?
couldn't you have been subspecializing?
couldn't he have been subspecializing?
couldn't we have been subspecializing?
couldn't you have been subspecializing?
couldn't they have been subspecializing?

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